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cmd/go: add s390x support
Minimum architecture of z196 required so that GCC can assemble gcc_s390x.S in runtime/cgo. Change-Id: I603ed2edd39f826fb8193740ece5bd11d18c3dc5 Reviewed-on: https://go-review.googlesource.com/20876 Reviewed-by: Ian Lance Taylor <iant@golang.org>
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@ -377,7 +377,7 @@ func buildModeInit() {
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fatalf("-buildmode=pie not supported by gccgo")
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} else {
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switch platform {
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case "linux/386", "linux/amd64", "linux/arm", "linux/arm64", "linux/ppc64le",
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case "linux/386", "linux/amd64", "linux/arm", "linux/arm64", "linux/ppc64le", "linux/s390x",
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"android/amd64", "android/arm", "android/arm64", "android/386":
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codegenArg = "-shared"
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default:
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@ -391,7 +391,7 @@ func buildModeInit() {
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codegenArg = "-fPIC"
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} else {
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switch platform {
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case "linux/386", "linux/amd64", "linux/arm", "linux/arm64", "linux/ppc64le":
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case "linux/386", "linux/amd64", "linux/arm", "linux/arm64", "linux/ppc64le", "linux/s390x":
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default:
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fatalf("-buildmode=shared not supported on %s\n", platform)
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}
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@ -409,7 +409,7 @@ func buildModeInit() {
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codegenArg = "-fPIC"
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} else {
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switch platform {
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case "linux/386", "linux/amd64", "linux/arm", "linux/arm64", "linux/ppc64le":
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case "linux/386", "linux/amd64", "linux/arm", "linux/arm64", "linux/ppc64le", "linux/s390x":
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buildAsmflags = append(buildAsmflags, "-D=GOBUILDMODE_shared=1")
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default:
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fatalf("-linkshared not supported on %s\n", platform)
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@ -3025,6 +3025,8 @@ func (b *builder) gccArchArgs() []string {
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return []string{"-m64"}
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case "arm":
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return []string{"-marm"} // not thumb
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case "s390x":
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return []string{"-m64", "-march=z196"}
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}
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return nil
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}
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